Respuesta :

goodLizard

Answer:

30

Step-by-step explanation:

Let [tex]n[/tex] = Nira's present age

[tex]n-10+n+10 = 60[/tex] (given)

[tex]2n=60[/tex]

[tex]n=30[/tex]

∴ Nira is 30 years old

Hope this helps :)

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